In contrast to Hayek, he did not make the argument that economists could “derive from the knowledge of our own mind in an ‘a priori’ or ‘deductive’ or ‘analytic’ fashion an (at least in principle) exhaustive classification of all the possible forms of intelligible behavior.” Rather, Schmölders suggested that economists should use the means of the neighboring social sciences in order to empirically scrutinize the “predictable, regular, and to a certain degree evocable behavior that may be called quasi-instinctive or quasi-automatic."

Dieter Plehwe, Quinn Slobodian & Philip Mirowski (eds.), Nine Lives of Neoliberalism, loc. 329